Johnius Pacificus
Hardenberg, 1941
| Known As | : | Pacific croaker |
| Genus | : | Johnius |
| Species | : | Pacificus |
| Classifications | : | Actinopterygii | Perciformes | Sciaenidae |
Common Names:
太平洋叫姑魚, 太平洋叫姑鱼, Pacific croaker
太平洋叫姑魚, 太平洋叫姑鱼, Pacific croaker
Occurrence Overview (GBIF) :
Information :
| Main reference | : | Sasaki, K. 2001. (Ref. 9772) |
| Size / Weight / Age | : | Max length : 14.0 cm SL male/unsexed; (Ref. 9772); common length : 10.0 cm SL male/unsexed; (Ref. 9772) |
| Environment | : | Benthopelagic; freshwater; brackish; marine |
| Climate / Range | : | Tropical |
| Distribution | : | Western Central Pacific: northern (=Pacific) coasts of New Guinea. |
| Short description | : | Dorsal spines (total): 11; Dorsal soft rays (total): 25 - 29; Anal spines: 2; Anal soft rays: 7. Eye small, 11 to 16 % of head length; snout bluntly rounded; no barbel on chin; teeth differentiated into large and small in both jaws; gill rakers slender, about half the length of gill filaments at angle of arch, 10 to 13 on lower limb. Second anal spine long, stiff, 45 to 54 % of head length. Scales on head and throat cycloid (smooth). Swim bladder hammer-shaped, with about 12 pairs of arborescent appendages along its sides, the first entering head and sending a palmate branch to the front of the pectoral arch. Sagitta (large earstone) with a tadpole-shaped impression, the head of which has its long axis lying obliquely to that of sagitta and the tail expanded and deepened as a hallow cone connected with the head by a narrow groove. |
| Biology | : | Inhabits estuaries and rivers (Ref. 9772). |
| IUCN Red List Status | : | Not Evaluated |
| Human uses | : | Fisheries: of no interest |
Similar Species :
Johnius pacificus Photos :
Loading...
Johnius pacificus Videos :
Loading...
Further Reading :